package demo;

public class login {
        public static class LogIn {
            private String userName = "admin";
            private String password = "123456";
            public static void loginInfo(String userName, String password)
                    throws UserNameException,PasswordException
            {
                if (!userName.equals(userName))
                {
                    throw new UserNameException("用户名错误！");
                }
                if (!password.equals(password))
                {
                    throw new PasswordException("用户名错误！");
                }
                System.out.println("登陆成功");
            }
            public static void main(String[] args)
            {
                try
                {
                    loginInfo("admin", "123456");
                } catch (UserNameException e)
                {
                    e.printStackTrace();
                } catch (PasswordException e)
                {
                    e.printStackTrace();
                }
            }
        }
}
